----Must I do well in all the subjects, Mum?----Sure, baby! As an old saying goes, knowledge is _________.
The computer centre, ______ last year is very popular among the students in this school.
Mrs Smith warned her daughter ____ after drinking.
The murder was brought in, with his hands _______ behind his back.
It is no use _____to come now. He is busy.
Charles Babbage is generally considered ______ the first computer.